My prime number generator as good as Euler prime number generator

Euler prime number generator is n squared plus n plus 41.

My prime number generator is 2 n squared plus 12n plus 47.

In the range -24 to 24, Euler prime number generator generates 49 prime numbers. 

In the range -24 to 24, my prime number generator too generates 49 prime numbers. 

My prime number generator equals Euler prime number generator in this range.

Have a nice day !!